基本解释亚磷酸同根派生 orthophosphorous acid相关词英英字典柯林斯英英字典 a white or yellowish hygroscopic crystalline dibasic acid. Formula: H3PO3 (Also called phosphorous acid)orthophosphorous acid剑桥字典orthophosphorous acid柯林斯字典专业释义经济学亚磷酸